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510-623

You are reviewing the Area Code (NPA/NXX) report for 510-623. Did you mean to search the SMS short code 510623?

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Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number510623
Basic Format510-623
NPA (Area Code)510
NXX623

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeAssign DateCityStateRegionBlock Effective Date
510-623-0XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-1XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-2XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-3XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-4XXX7145TELEPORT COMMUNICATIONS AMERICA, LLC - CAFRNK OLIVRAS06/01/2015FREMONT-NEWARK:OLIVER DACAWC07/01/2015
510-623-5XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-6XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-7XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-8XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-9XXX9740PACIFIC BELLFRNK OLIVRRTFREMONT-NEWARK:OLIVER DACAWC
510-623-XXXX9740PACIFIC BELLFRNK OLIVRASFREMONT-NEWARK:OLIVER DACA

Business/Government Phones on the 510-623 Prefix

PhoneNameAddress
510-623-0444Animal Eye Care
510-623-0557Maid To Order House Cleaning
510-623-0560ATS
510-623-0850Extreme PC Gear.com
510-623-1000Attivo Networks
510-623-1037Sunlight Decor
510-623-1111Fletcher Jones Motorcars of Fremont
510-623-1111Mercedes-Benz of Fremont
510-623-1308Premier Mobile Group
510-623-1365Royal Travel
510-623-1424Williams Roofing
510-623-1705Kenny's Auto Repair, LLC
510-623-1880Brightway Industries LLC
510-623-1922Quik Smog of Fremont
510-623-1922Super Smog
510-623-2341Bitmicro Networks Inc.
510-623-4910Caliber Collision
510-623-5898Ohlone Travel
510-623-7272Papa Johns Pizza
510-623-7300Autobahn Driving Machines
510-623-7526Ayantra
510-623-7584A & M Family Home Care Agency
510-623-7720ShineBrite Cleaning Services
510-623-7873Pure Salon Spa
510-623-8338East Bay Kitchen & Bath, Inc.
510-623-8623Millennium Salon
510-623-8682Alphaville Design
510-623-8889Mission Eyecare Optometry
510-623-9000Creative Shower Door Corp
510-623-9747California Stylin'
510-623-0310DSW43530 Christy Street Fremont 94538 US
510-623-6000Hyatt Place Fremont3101 West Warren Avenue Fremont 94538 US
510-623-7004East-West Acupuncture & Chiropractic Clinic41255 Fremont Boulevard Fremont 94538 US
510-623-7383Taco Bell46690 Mission Boulevard Fremont 94539 US
510-623-8799Starbucks5741 Stevenson, Stevenson Station Newark 94560 US

Reports

Anonymous User from , CA

February 4, 2026 at 6:09 PM

510-623-0938 reported as a unwanted call. Received on January 21, 2026 at 4:27 PM.

Anonymous User from Piedmont, California

January 23, 2026 at 4:39 PM

510-623-1428 reported as a unwanted call. Received on January 23, 2026 at 1:38 PM.
Call for Dropped call or no message

Anonymous User from Piedmont, California

July 28, 2025 at 2:52 PM

510-623-1050 reported as a unwanted call. Received on July 28, 2025 at 8:42 AM.

Anonymous User from Tubac, Arizona

June 24, 2025 at 3:22 PM

510-623-5487 reported as a Robocall. Received on June 24, 2025 at 12:05 PM.

Anonymous User from Livermore, California

September 4, 2024 at 1:01 AM

510-623-4890 reported as a Robocall. Received on August 27, 2024 at 1:04 PM.

Anonymous User from Los Angeles, California

July 4, 2024 at 11:10 AM

510-623-4190 reported as a Live Voice or Other. Received on July 4, 2024 at 7:50 AM.

Anonymous User from Capitol Heights, Maryland

May 28, 2024 at 2:38 PM

510-623-5049 reported as a Live Voice or Other. Received on May 28, 2024 at 12:00 PM.
Call for Work from home & other ways to make money

Anonymous User from Berkeley, California

October 26, 2023 at 6:39 PM

510-623-9577 reported as a Robocall. Received on October 26, 2023 at 3:36 PM.
Call for Medical & prescriptions

Anonymous User from , CA

October 18, 2023 at 3:11 PM

510-623-8219 reported as a Robocall. Received on October 18, 2023 at 10:54 AM.
Call for Medical & prescriptions

Anonymous User from , CA

April 21, 2023 at 5:10 PM

510-623-4157 reported as a Robocall. Received on April 20, 2023 at 11:19 AM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from El Granada, California

January 26, 2023 at 6:19 PM

510-623-5049 reported as a Live Voice or Other. Received on January 26, 2023 at 3:19 PM.
Call for Calls pretending to be government, businesses, or family and friends

Anonymous User from Hayward, California

January 13, 2023 at 11:38 AM

510-623-4585 reported as a Robocall. Received on January 13, 2023 at 7:32 AM.

Anonymous User from , CA

December 19, 2022 at 10:25 AM

510-623-4701 reported as a unwanted call. Received on December 19, 2022 at 5:44 AM.
Call for No Subject Provided

Anonymous User from Newark, California

September 26, 2022 at 11:32 AM

510-623-7843 reported as a Robocall. Received on September 26, 2022 at 8:20 AM.
Call for Reducing your debt (credit cards, mortgage, student loans)

Anonymous User from Alameda, CA

August 2, 2022 at 6:23 PM

None reported as a Prerecorded Voice. Received on August 2, 2022 at 11:15 AM.
Unwanted call for Amazon Services
Caller ID indicated they called from 510-623-1167
Contacted via Wireless (cell phone/other mobile device)

Anonymous User from , CA

June 3, 2022 at 11:32 PM

510-623-7018 reported as a Live Voice or Other. Received on June 3, 2022 at 9:02 AM.
Call for No Subject Provided

Anonymous User from Reseda, CA

June 17, 2021 at 8:27 PM

None reported as a Prerecorded Voice. Received on June 17, 2021 at 1:20 PM.
Unwanted call for unknown
Caller ID indicated they called from 510-623-6852
Contacted via Internet (VOIP)

Most 'popular' numbers on this prefix:

510-623-0XXX: 510-623-0402 | 510-623-0403 | 510-623-0404 | 510-623-0440 | 510-623-0444 | 510-623-0449 | 510-623-0500 | 510-623-0502 | 510-623-0506 | 510-623-0582 | 510-623-0587 | 510-623-0802 | 510-623-0806 | 510-623-0808 | 510-623-0851 | 510-623-0852 | 510-623-0858 |
510-623-1XXX: 510-623-1000 | 510-623-1003 | 510-623-1007 | 510-623-1037 | 510-623-1038 | 510-623-1039 | 510-623-1100 | 510-623-1122 | 510-623-1147 | 510-623-1162 | 510-623-1167 | 510-623-1169 | 510-623-1200 | 510-623-1232 | 510-623-1234 | 510-623-1236 | 510-623-1300 | 510-623-1303 | 510-623-1308 | 510-623-1337 | 510-623-1387 | 510-623-1400 | 510-623-1409 | 510-623-1414 | 510-623-1422 | 510-623-1423 | 510-623-1424 | 510-623-1700 | 510-623-1703 | 510-623-1708 | 510-623-1747 | 510-623-1777 | 510-623-1800 | 510-623-1870 | 510-623-1877 | 510-623-1878 | 510-623-1887 | 510-623-1888 | 510-623-1920 | 510-623-1924 | 510-623-1929 | 510-623-1993 | 510-623-1997 | 510-623-1998 |
510-623-2XXX: 510-623-2300 | 510-623-2340 | 510-623-2345 | 510-623-2347 | 510-623-2362 | 510-623-2400 | 510-623-2404 | 510-623-2406 | 510-623-2447 | 510-623-2477 |
510-623-3XXX: 510-623-3773 | 510-623-3776 | 510-623-3777 | 510-623-3778 | 510-623-3800 | 510-623-3810 | 510-623-3811 | 510-623-3814 |
510-623-4XXX: 510-623-4141 | 510-623-4191 | 510-623-4196 | 510-623-4197 | 510-623-4500 | 510-623-4545 | 510-623-4580 | 510-623-4583 | 510-623-4588 | 510-623-4700 | 510-623-4706 | 510-623-4707 | 510-623-4800 | 510-623-4889 | 510-623-4890 | 510-623-4895 | 510-623-4899 | 510-623-4900 | 510-623-4907 | 510-623-4909 | 510-623-4992 | 510-623-4997 | 510-623-4998 |
510-623-5XXX: 510-623-5000 | 510-623-5001 | 510-623-5040 | 510-623-5045 | 510-623-5047 | 510-623-5050 | 510-623-5882 | 510-623-5883 | 510-623-5887 | 510-623-5891 | 510-623-5898 | 510-623-5899 |
510-623-6XXX: 510-623-6852 | 510-623-6858 | 510-623-6859 | 510-623-6883 | 510-623-6887 | 510-623-6889 |
510-623-7XXX: 510-623-7000 | 510-623-7002 | 510-623-7007 | 510-623-7040 | 510-623-7070 | 510-623-7152 | 510-623-7157 | 510-623-7159 | 510-623-7172 | 510-623-7176 | 510-623-7179 | 510-623-7200 | 510-623-7201 | 510-623-7202 | 510-623-7272 | 510-623-7278 | 510-623-7279 | 510-623-7300 | 510-623-7303 | 510-623-7309 | 510-623-7371 | 510-623-7372 | 510-623-7373 | 510-623-7500 | 510-623-7507 | 510-623-7580 | 510-623-7583 | 510-623-7588 | 510-623-7600 | 510-623-7653 | 510-623-7654 | 510-623-7676 | 510-623-7677 | 510-623-7678 | 510-623-7700 | 510-623-7720 | 510-623-7722 | 510-623-7724 | 510-623-7777 | 510-623-7778 | 510-623-7840 | 510-623-7847 | 510-623-7848 | 510-623-7883 | 510-623-7887 | 510-623-7889 |
510-623-8XXX: 510-623-8210 | 510-623-8211 | 510-623-8217 | 510-623-8253 | 510-623-8258 | 510-623-8282 | 510-623-8303 | 510-623-8304 | 510-623-8307 | 510-623-8330 | 510-623-8331 | 510-623-8333 | 510-623-8601 | 510-623-8605 | 510-623-8606 | 510-623-8660 | 510-623-8663 | 510-623-8666 | 510-623-8800 | 510-623-8880 | 510-623-8888 | 510-623-8889 | 510-623-8899 |
510-623-9XXX: 510-623-9000 | 510-623-9002 | 510-623-9008 | 510-623-9020 | 510-623-9060 | 510-623-9180 | 510-623-9187 | 510-623-9188 | 510-623-9192 | 510-623-9195 | 510-623-9197 | 510-623-9500 | 510-623-9550 | 510-623-9570 | 510-623-9575 | 510-623-9577 | 510-623-9705 | 510-623-9706 | 510-623-9707 | 510-623-9740 | 510-623-9745 | 510-623-9747 | 510-623-9880 | 510-623-9883 | 510-623-9887 | 510-623-9889 |